[GRASSLIST:10748] Re: difficulty using GRASS

[Hamish]

>   i am doing a project "Route Tracer using GPS". it is basically a
>   project that traces a vehicle on a particular route that is
>   digitized.it highlights the vehicle as it moves. i am using GRASS
>   6.0.1 for digitization of the map. till now i am successful in
>   writing the program for taking in the lat/longs from the GPS and
>   storing them onto the computer. but the problem is how to take the
>   data that is stored on the computer and put it onto the map that is
>   digitized. in which language should the program be written. does
>   GRASS has some special language in which the program can be written.

All relevant software to do this is already written.

see: (GRASS 6.1-cvs)

v.in.garmin
v.in.gpsbabel  (beta)

these are all just Bash shell scripts which you can study from.

or more generally

v.in.ascii

for loading a text file with positions in to into the GIS.

use d.out.gpsdrive to export back to real-time GPS navigation software.


e.g. have GPS log track internally, then use v.in.garmin to load into
the GIS. that's it!


Hamish